// Hero’s Inventory 2.0
// Demonstrates vectors

#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main()
{
   vector<string> inventory;
   inventory.push_back("sword");
   inventory.push_back("armor");
   inventory.push_back("shield");

   cout << "You have " << inventory.size() << " items.\n";

   cout << "\nYour items:\n";
   for (unsigned int i = 0; i < inventory.size(); ++i)
   {
      cout << inventory[i] << endl;
   }
   
   cout << "\nYou trade your sword for a battle axe.";
   inventory[0] = "battle axe";
   
   cout << "\nYour items:\n";
   for (unsigned int i = 0; i < inventory.size(); ++i)
   {
      cout << inventory[i] << endl;
   }
   
   cout << "\nThe item name \'" << inventory[0] << "\' has ";
   cout << inventory[0].size() << " letters in it.\n";

   cout << "\nYour shield is destroyed in a fierce battle.";
   inventory.pop_back();

   cout << "\nYour items:\n";
   for (unsigned int i = 0; i < inventory.size(); ++i)
   {
      cout << inventory[i] << endl;
   }

   cout << "\nYou were robbed of all of your possessions by a thief.";
   inventory.clear();

   if (inventory.empty())
   {
      cout << "\nYou have nothing.\n";
   }
   else
   {
      cout << "\nYou have at least one item.\n";
   }
   return 0;
}